Perhaps you should try some spelling variations:
rol{acute}practiva » rol{acute}proactiva, rol{acute}practica, rol{acute}proactivas
prod{acute}cticas » proud{acute}cticas, pro{acute}cticas, prol{acute}cticas, prod{acute}acticas, prod{acute}icticas, prod{acute}eticas
prof{acute}actica » prof{acute}tactica, prof{acute}lactica, prof{acute}activa
proffffd{acute}lactima » proffffd{acute}lactica, proffffd{acute}lactama, proffffd{acute}lastima

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((rol{acute}practiva OR prod{acute}cticas) OR (prof{acute}actica OR proffffd{acute}lactima)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((rol{acute}practiva or prod{acute}cticas) or (prof{acute}actica or proffffd{acute}lactima)) ;*.